A high purity alumina mix, it has good resistance to both acidic and basic slags. It is the workhorse for a wide range of alloys and melting applications; commonly used for air melting furnaces but can also be used in a vacuum melting application. Maximum service temperature 1620 °C.
Maximum temperature 1620 °C.
| Chemical analysis | ||
| AL203 | 97.00 | |
| Na20 | 0.28 | |
| Fe203 | 0.03 | |
| SiO2 | 1.17 | |
| CaO | 0.03 | |
| TiO2 | 0.01 | |
| MgO | 1.65 | |
| K2O | 0.12 | |
| Physical | ||
| Porosity | 16.5% | |
| Density | 3000 kgm-3 | |
| Heat | ||
| Heat conductivity | 2.5 Wm-1K-1 | |
| Mechanical | ||
| Heat resistance | high | |
| Heat shock resistance (THERMAL SHOCK ) | Very well | |
| Abrasive resistance | good | |
The capacity of the crucible that can be made from 1 to 500 kg, for ladle transfers from 10 to 200 kg and a refractory shape according to the size required
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